There are 23 special wards in Tokyo.

We headed to Kyoto on the limited express train.

Based on the special criminal law, he was found guilty.

He injured his aponeurosis.

The amnion plays an important role in protecting the fetus.

He contracted meningitis.

During pregnancy, the decidua plays a crucial role in protecting the fetus.

The allantois plays an important role in the development of the fetus.

The membrane potential of nerve cells is a fundamental mechanism of information transmission.

The membrane surrounding a bird's egg plays an important role in protecting the egg.